Thursday

April 24, 2014

April 24, 2014

Number of results: 26,233

**Physics - Inelastic Collision ( check + help)**

A billiard ball of mass 0.55kg moves with a velocity of 12.5m/s towards a stationary billiard ball of the identical mass and strikes it with a glancing blow. The first billiard ball moves of at an angle of 29.7deg clockwise from its original direction, with a velocity of 9.56m...
*Sunday, September 26, 2010 at 2:52pm by Shaila*

**English**

A: I'm looking for a jacket. B: What size do you want? A: Small. 1) B: What color would you like? A: Red. 2) -------------------- 1) I want small. I want a small. I want a small size. I want a small-size jacket. I want a small-sized jacket. (Can we use all these expressions?) ...
*Wednesday, October 1, 2008 at 12:39am by John*

**physics**

a small mass M and a small mass 3M are 1.00 m apart. where should you put a third small mass so that the net gravitational force on it due to the other masses is zero
*Sunday, October 18, 2009 at 9:21pm by sam*

**college physics**

A small mass M and a small mass 3M are 1.00 m apart. Where should you put a third small mass so that the net gravitational force on it due to the other two masses is zero?
*Sunday, June 6, 2010 at 12:16am by Anonymous*

**English**

A: I'm looking for a jacket. B: What size do you want? A: Small. 1) B: What color would you like? A: Red. 2) -------------------- 1) I want small. I want a small. I want a small size. I want a small-size jacket. I want a small-sized jacket. (Can we use all these expressions?) ...
*Wednesday, October 1, 2008 at 12:46am by John*

**algebra**

A photo studio offers portraits in 8x10 and wallet-sized formats. One customer bought two 8x10 portraits and four wallet-sized portraits and paid $52. Another customer bought three 8x10 portraits and two wallet sized portraits and paid $50. What is the cost of a wallet-sized ...
*Wednesday, January 30, 2013 at 4:27pm by cassidy*

**Eating disorder**

if anorexic people see theirselves as "fat" in the mirror, why do they still buy small sized clothing...?
*Thursday, October 13, 2011 at 1:54pm by Angel*

**math**

By morning only 2 stacks of these three equal sized squares can be changed into 4 equal sized rectangles.which 2 sticks can be moved?
*Saturday, September 5, 2009 at 4:15pm by dera*

**AP CHEM **

19. Burning coal and oil in a power plant produces pollutants such as sulfur dioxide, SO2. The sulfur-containing compound can be removed from other waste gases, however, by the following reaction: 2 SO2(g) + 2 CaCO3(s) + O2(g) 2 CaSO4(s) + 2 CO2(g) [Molar masses: 64....
*Thursday, October 7, 2010 at 9:23pm by Megan*

**Math**

an average sized female spider and a large spider can lay 2,100 egs at one time. The large spider lays 20 times the number of eggs as as the average sized spider. How many eggs does the average sized spider lay?
*Friday, December 10, 2010 at 12:48am by Anonymous*

**Grammar**

Identify the tenses (past, present, mixed): 1. Synthes self-retaining anterior cervical retractors were then placed behind the longus colli muscles. PAST TENSE ________________________________________ 2. There was a small rent in the middle left posterior longitudinal ligament...
*Thursday, June 21, 2012 at 4:18pm by Lori*

**Math**

By Moving Only 2 sticks of these three equal sized squares cna be changed into 4 equal sized rectangles. which 2 sticks should be moved?
*Sunday, September 6, 2009 at 3:32pm by Chidera*

**Math**

"By Morning only 2 sticks of these 3 equal sized squares can be changed into 4 equal sized rectangles.which 2 sticks shold be moved"
*Sunday, September 6, 2009 at 1:31pm by Chidera*

**Statistics**

Between z = -2 and z = 0.4. (Points: 5) 0.655 0.977 0.477 0.155 0.633 my answer was o.155 is this correct
*Sunday, June 20, 2010 at 11:11am by John*

**phys101**

a hydraulic press contains oil of density=800kg/meter cube,and the areas of the large cylinder=0.5meter squad and area of small cylinder=0.0001meter squad.the mass of the large piston is 51kg,while the small piston has unknown mass m.If an additonal mass of 510kg is placed on ...
*Monday, April 19, 2010 at 6:31am by KABELO*

**chemistry**

155.0 grams of N2 (nitrogen gas) are put in a 4.50L container at 35C. What is the pressure? PV=nRT n=155/molmassN2 Convert temps to K.
*Tuesday, January 9, 2007 at 6:54pm by TIFFANY*

**math**

an average sized female spider and a large spider can lay a total of 2,100 eggs at one time.The large spider lay 20 times the number of eggs as the average sized spider.How many eggs does the average sized spider lay?
*Thursday, December 8, 2011 at 8:26pm by pinky*

**math**

an average sized female spider and a large spider can lay a total of 2,100 eggs at one time.The large spider lay 20 times the number of eggs as the average sized spider.How many eggs does the average sized spider lay?
*Friday, December 9, 2011 at 1:23am by pinky*

**geometry**

I found out the first part of which is x for the figure which was 115 degrees.They do give you the other measures of the angles which are 115,155,155,155.135,135,115.The second part of the problem say yo find the sum of the measures of the exterior angles,one at each vertex,...
*Saturday, July 23, 2011 at 4:59pm by Lauren*

**math**

lara arranged the books in her bookshelf by size. 2/10 of the books were tall and 1/2 of the books were medeium sized. If 12 of the books were small, how manyu total books did she arrange?
*Tuesday, April 13, 2010 at 9:17pm by alisha*

**math**

A small, medium, and large sized chicken were weighing themselves on a scale. The large and medium chicken steppedon the scale together with a total weight of 30 lbs. The large and small chicken had a total weight of 25 lbs. The small and medium chickens had a total weight of ...
*Tuesday, January 17, 2012 at 8:40pm by Leann*

**math**

A small, medium, and large sized chicken were weighing themselves on a scale. The large and medium chicken steppedon the scale together with a total weight of 30 lbs. The large and small chicken had a total weight of 25 lbs. The small and medium chickens had a total weight of ...
*Tuesday, January 17, 2012 at 8:31pm by Leann*

**physic**

Consider a rocket in space that ejects burned fuel at a speed of 1.5 km/s with respect to the rocket. The rocket burns 9 % of its mass in 310 s (assume the burn rate is constant). (a) What is the speed of the rocket after a burn time of 155.0 s? (suppose that the rocket starts...
*Friday, December 6, 2013 at 10:33am by juanpro*

**Medical billing**

What conclusions can you draw about that challenges for record management in small, medium-sized, and large facilities? Do these challenges seem to be more closely tied to the size of the facility or to the number of records typically handled in a day?
*Thursday, April 16, 2009 at 8:24pm by Nickey*

**algebra**

a woodworking project calls for three pieces. the longest piece is twicw the length of the middle-sized piece, and the shortest is 10 inches shorther than the middle-sized piece. the board os 70 inches. how much must each peice be?
*Tuesday, January 31, 2012 at 1:23pm by teesha*

**Classical Mechanics Physics**

Consider a rocket in space that ejects burned fuel at a speed of vex= 1.5 km/s with respect to the rocket. The rocket burns 6 % of its mass in 310 s (assume the burn rate is constant). (a) What is the speed v of the rocket after a burn time of 155.0 s? (suppose that the rocket...
*Friday, December 6, 2013 at 3:40pm by Anonymous*

**chemistry**

2.0 x 10^-5 grams of hydrogen gas at 155 degree calsius exert a pressure of 322.5 torr on the walls of a small cylindrical tube. What is the volume of the tube?
*Wednesday, February 13, 2013 at 6:48pm by Casandra*

**Geometry**

An architect is designing a public storage building with 2 different sized storage units the ceilings are 8 feet high in each storage unit a. All storage units have square floors the volume will be 1800 what are the dimensions of each small unit b. The ratio of dimensions of ...
*Thursday, April 7, 2011 at 7:18pm by Nicole*

**chemistry**

What instrument is used to determine the mass and relative ambuandaces of small atomic particles? You may be thinking of the mass spectrometer. I'm not sure how small you are talking about but the mass spec is used to determine atomic masses and relative abundance of the ...
*Tuesday, September 26, 2006 at 5:59pm by carter*

**Chemistry**

AgCl is often used in silver plating and contains 75.27% Ag by mass. Calculate the mass of AgCl required to plate 155 mg of pure silver?
*Monday, April 23, 2012 at 10:17pm by nailea*

**algebra**

A coffee shop sells small cups of coffee and large cups of coffee. A small cup of coffee costs $2. A large cup of coffee costs $3. On Tuesday, the store sold a total of 155 cups of coffee for a total of $335. How many small cups of coffee did the store sell on Tuesday?
*Tuesday, May 7, 2013 at 6:09pm by anna*

**Physics Help**

A small, 200 g cart is moving at 1.50 m/s on an air track when it collides with a larger, 2.00 kg cart at rest. After the collision, the small cart recoils at 0.890 m/s. Q: What is the speed of the large cart after the collision? How do you set this up? Would it be like (mass ...
*Saturday, August 6, 2011 at 3:33pm by Cat21*

**Math **

Sally and Peter have a lawn-mowing business. They earn $30 for a large yard, $21 for a medium-sized yard, and $15 for a small yard. If they mow 8 yards and there are at least 2 yards of each size, what is the maximum amount of money they can earn?
*Thursday, February 2, 2012 at 10:01pm by Minnie818*

**Math**

Word problem A woodcarver wants to make a scale model of a chair. The height of the model will be 3 inches which is 0.08 times the height of the fl sized chair What is the size if the full sized chair in inches?? I got : 5.4 inches. Is this right??
*Saturday, September 22, 2012 at 4:56pm by Marko*

**algebra**

Three pieces of wood are needed for project. They are to be cut from a 90cm long piece of wood. The longest piece is to be 3 times as long as the middle sized piece and the shortest piece is to be 10 cm shorter than the middle sized piece. Can this be done with 2 cuts? If so, ...
*Sunday, May 9, 2010 at 2:21pm by Kristi*

**math**

Three pieces of wood are needed for a project. They are to be cut from a 90-cm-long piece of wood. The longest piece is to be 3 times as long as the middle-sized piece and the shortest piece is to be 10 cm shorter than the middle-sized piece. Can this be done with two cuts? If...
*Sunday, May 23, 2010 at 12:12am by Annie*

**Math**

Three pieces of wood are needed for a project. They are to be cut from a 90-cm-long piece of wood. The longest piece is to be 3 times as long as the middle-sized piece and the shortest piece is to be 10 cm shorter than the middle-sized piece. Can this be done with two cuts? If...
*Wednesday, June 2, 2010 at 10:39am by Anonymous*

**chem**

How many moles of sodium chloride (NaCl) solute are in 155 grams of an 85.5 percent by mass solution?
*Tuesday, January 17, 2012 at 5:09pm by bryan*

**Chemistry**

is the molar mass value of a volatile liquid, such as ethanol, high or small? Usually small, but there are exceptions. The ability to be volatile means that the attractive forces between molecules in the liquid and vapor have to be small, so non polar molecules are the rule. ...
*Saturday, January 20, 2007 at 8:36pm by michelle*

**physics **

A baseball has a mass of about 155 g. What is the magnitude of the momentum of a baseball thrown at a speed of 95 mph?(Note that you need to convert mass to kilograms and miles per hour to meters per second.) Answer in units of kg · m/s
*Sunday, January 19, 2014 at 7:18pm by NADIA*

**chem PLEASE HELP**

WHO MADE THESE ATOMIC DISCOVERIES? An atom has a nucleus that is very small In a reaction, the mass of the products must equal the mass of the reactants. Electrons are negatively charge pieces of matter. An electron has a mass that is very small compared to the size of the ...
*Thursday, April 14, 2011 at 7:40pm by Sal*

**Math**

Mrs.Sue the squares are not in a horizantol form. like the one in the link. there are 2 squares horizantol and 1 square on top of the 1 of the horizantol squares By Moving Only 2 sticks of these three equal sized squares cna be changed into 4 equal sized rectangles. which 2 ...
*Sunday, September 6, 2009 at 10:03pm by Chidera*

**marketing**

The owner of a small hardware store-the only one in a medium –sized town in the mountains-has just learned that a large home improvement chain plans to open a new store nearby. How difficulty will it be for the owner to plan for this new competitive threat? Explain your answer
*Tuesday, March 22, 2011 at 10:01am by ak*

**Physics**

A pendulum is made of two discs, one with mass M and radius R and the other with mass 2M and radius R, which are separated by a massless rod. The lighter disc is pivoted through its centre by a small pin. The discs lie on the same plane and their centres are a distance L apart...
*Friday, March 18, 2011 at 7:56am by Kagiso Setuke*

**statistics**

A survey of industrial salespeople who are either self-employed, work for small, medium-sized, or large firms revealed the following with respect to incomes: Of those who earn less than $20,000, 9 are self-employed, 12 are employed by small firms, 40 by medium size firms, and ...
*Sunday, September 14, 2008 at 10:45pm by Tom E.*

**Chem (continuation)**

I am a little confused regarding a question I posted yesterday ("Chem" Tuesday, March 6, 2007 at 9:29pm) I understand the answer to the first question: What would the pH of this solution be after 0.01 mol of HCl was added? I got 6.09 I'm still kind of confused about the second...
*Wednesday, March 7, 2007 at 5:57pm by Marisol*

**college physics**

A small ball of mass m is aligned above a larger ball of mass M = 0.79 kg (with a slight separation), and the two are dropped simultaneously from height h = 2.0 m. (Assume the radius of each ball is negligible relative to h). (a) If the larger ball rebounds elastically from ...
*Thursday, November 12, 2009 at 9:01pm by Steve*

**hcr 210**

I have an assignment for week 4 in HCR210 due Sunday. We are to interview small, medium-sized and large medical facilities and ask 13 questions regarding medical/patient records. There are no facilities in my area willing to disclose any information for these general questions...
*Wednesday, April 14, 2010 at 4:14pm by anastasia*

**HCR 210**

I have an assignment for week 4 in HCR210 due Sunday. We are to interview small, medium-sized and large medical facilities and ask 13 questions regarding medical/patient records. There are no facilities in my area willing to disclose any information for these general ...
*Monday, May 24, 2010 at 9:31pm by Cathy*

**Physics**

What minimum sized balloon would you have to fill in order to be able to be lifted into the air? Take your mass to be 100 kilograms and the temperature of the outside air to be 20 degrees C. Neglect the mass of the balloon rubber and basket and assume that the balloon is ...
*Friday, March 15, 2013 at 4:07pm by steve*

**univ/com/155**

write a paragraph of instructions on the writing process for future com/155 students.include the steps in the writing process.
*Thursday, April 26, 2012 at 8:00pm by sonya*

**Math**

a parking lot can allocate 3 compact car spaces for every 2 spaces for full sized cars. if part of the lot has space for 40 full sized cars, how many compact cars could it hold if the parking lines were redrawn?
*Wednesday, November 13, 2013 at 7:09pm by Heather*

**Chemistry**

Five mineral samples of equal mass of calcite, CaCO3 (MM 100.085) , had a total mass of 12.4 ± 0.1 g. What is the average mass of calcium in each sample? (Assume that the relative uncertainties in atomic mass are small compared the uncertainty of the total mass.) (Input the ...
*Wednesday, August 29, 2012 at 10:36pm by Amanda*

**COM 155**

What do you hope to accomplish COM 155?
*Tuesday, February 28, 2012 at 3:59pm by Destiny*

**physics**

A compact car, mass 875 kg, moving south at 16 m/s, is struck by a full-sized car, mass 1660 kg, moving east at 12 m/s. The two cars stick together, and momentum is conserved in the collision. The wreck skids along the ground and comes to a stop. The coefficient of kinetic ...
*Monday, February 4, 2013 at 6:44pm by Tony*

**Chemistry 314**

Five mineral samples of equal mass of calcite, CaCO3 (MM 100.085) , had a total mass of 12.4 ± 0.1 g. What is the average mass of calcium in each sample? (Assume that the relative uncertainties in atomic mass are small compared the uncertainty of the total mass.) (Input the ...
*Thursday, August 30, 2012 at 2:52pm by Amanda*

**Physics**

The diagram below shows a large cube of mass 25 kg being accelerated across a frictionless level floor by a horizontal force, F. A small cube of mass 4.0 kg is in contact with the front surface of the cube. The coefficient of static friction between the cubes is 0.71. What is ...
*Thursday, November 15, 2012 at 10:13pm by Bob*

**Statistics**

A random sample of 16 mid-sized cars tested for fuel consumption gave a mean of 26.4 kilometers per liter with a standard deviation of 2.3 kilometers per liter. i) Assuming that the kilometers per liter given by all mid-sized cars have a normal distribution, find a 99% ...
*Friday, May 11, 2012 at 12:56am by Nesa*

**Physics**

On an aircraft carrier, a jet can be catapulted from 0 to 155 mi/h in 2.00 s. If the average force exerted by the catapult is 5.53×106 N what is the mass of the jet?__________ kg
*Friday, October 12, 2012 at 10:00am by Emma*

**stats**

A random sample of mid-sized cars tested for fuel consumption gave a mean of miles per gallon with a standard deviation of miles per gallon. Assuming that the miles per gallon given by all mid-sized cars have a normal distribution, find a confidence interval for the population...
*Wednesday, April 9, 2014 at 2:16am by Anonymous*

**dimensions**

I need to know the dimensions of a califorian King sized bed does anyone know? 72"W X 84"L http://www.esleepshop.com/bed_frames_bysize.htm?gclid=CKnm1dvux40CFRlmWAod-GbvLQ I Googled California king-sized bed and found this site. Scroll down to find that this sized mattress is ...
*Friday, July 27, 2007 at 9:31am by Kieran*

**physics**

If you live in a city your stove can be powered by natural gas. This gas is mainly methane gas and has a density of about 0.72 kilograms per cubic meter. What minimum sized balloon would you have to fill in order to be able to be lifted into the air? Take your mass to be 75 ...
*Wednesday, March 14, 2012 at 5:53pm by dale*

**physics**

i need help figuring out what formaula to use for finding the final velocity of a rocket. Model rocket engines are sized by thrust, thrust duration, and total impulse, among other characteristics. A size C5 model rocket engine has an average thrust of 5.26 N, a fuel mass of 12...
*Tuesday, October 7, 2008 at 10:40pm by sonia*

**Physics. PLEASE HELP!!**

A small car of mass 985 kg is parked behind a small truck of mass 1551 kg on a level road. The brakes of both the car and the truck are off so that they are free to roll with negligible friction. A 83 kg woman sitting on the tailgate of the truck shoves the car away by ...
*Saturday, April 7, 2012 at 8:42pm by Amber*

**Chemistry II**

How much of solid potassium chromate whould you use to prepare 2.00 L of 0.400 M potassium chromate? M x L = mols g/molar mass = mols OR M x L = g/molar mass solve for g. .400 mol/L x 2.00 = g/194 g = 155.2 Thanks!!
*Monday, April 16, 2007 at 9:28pm by Jayd*

**Chemistry**

Does anyone know how to do this problem, i can't seem to solve it. If 39.25 g of a substance is dissolved in 155.5 g of benzene solvent, the freezing point of the solution is 0.08 oC. Calculate the apparent molar mass (g/mol) of substance.
*Tuesday, February 2, 2010 at 12:52am by SuSu*

**Math**

An estimate of the mass of a new, unsharpened pencil is about __________. I think it's about 35 grams? Fill in the blanks. A good reference to use when estimating the mass of a small object is _____. It has a mass of about_________. Thank you!
*Tuesday, January 22, 2013 at 6:16pm by Jessica*

**phy**

Two objects attract each other gravitationally with a force of 3.5 10-10 N when they are 0.33 m apart. Their total mass is 4.0 kg. Find their individual masses. I got my answers but its say incorrect. the values i got 3.43 for larger mass and 0.57 small mass
*Friday, September 17, 2010 at 6:15pm by ami*

**Physics**

Standing on the surface of a small spherical moon whose radius is 6.30 104 m and whose mass is 8.00 1018 kg, an astronaut throws a rock of mass 2.02 kg straight upward with an initial speed 42.2 m/s. (This moon is too small to have an atmosphere.) What maximum height above the...
*Thursday, June 28, 2012 at 3:19pm by James*

**Physics**

Two blocks hang from strings going around pulleys of different diameter that are connected, as shown in the figure. The large pulley has a radius of R = 9.0 cm and and the small pulley has a radius of r = 2.3 cm. The mass of the block that hangs from the small pulley is m = 3....
*Sunday, February 3, 2013 at 2:41pm by Anonymous*

**Physics**

Babe Ruth steps to the plate and casually points to left center field to indicate the location of his next home run. The mighty Babe holds his bat across his shoulder, with one hand holding the small end of the bat. The bat is horizontal, and the distance from the small end of...
*Wednesday, July 27, 2011 at 8:25pm by AfterLife*

**physics**

Model rocket engines are sized by thrust, thrust duration, and total impulse, among other characteristics. A size C5 model rocket engine has an average thrust of 5.26 N, a fuel mass of 12.7 g, and an initial mass of 25.5 g. The duration of its burn is 1.90 s. (a) What is the ...
*Tuesday, October 7, 2008 at 10:08pm by tom*

**chem**

A small sterling silver braclet has a mass of 76.0g and a volume of 7.33ml(by water displacement) Calculate the mass and % Ag and the mass and % Cu in the braclet. Assume the volumes to be linerly additive. density of Ag= 10.5 g/ml;density of Cu=8.96 g/ml.
*Sunday, January 23, 2011 at 2:06pm by billy*

**MaTh**

Need help with another word problem The swim team sold tickets to their skit night to earn money to go to the finals in another city that was 200 miles away. They sold 4 adult tickets for each child's ticket. If they sold 155 tickets, how many adults bought tickets? Is this ...
*Monday, August 19, 2013 at 10:22pm by Amy*

**physics im stuck**

A small plastic ball of mass 6.10 10^-3 kg and charge +0.150 µC? A small plastic ball of mass 6.10 10^-3 kg and charge +0.150 µC is suspended from an insulating thread and hangs between the plates of a capacitor. The ball is in equilibrium, with the thread making an angle of ...
*Sunday, August 31, 2008 at 7:53am by physdummy*

**Physics**

The drawing shows a large cube (mass = 25 kg) being accelerated across a horizontal frictionless surface by a horizontal force . A small cube (mass = 4.0 kg) is in contact with the front surface of the large cube and will slide downward unless is sufficiently large. The ...
*Friday, November 13, 2009 at 6:02am by Litany*

**Physics**

The drawing shows a large cube (mass = 48 kg) being accelerated across a horizontal frictionless surface by a horizontal force . A small cube (mass = 2.1 kg) is in contact with the front surface of the large cube and will slide downward unless is sufficiently large. The ...
*Monday, February 15, 2010 at 10:58pm by eric*

**Algebra**

The following problem must be solved 3 different ways in which X=smallest angle for problem 1. Problem 2 would be X=medium sized angle. Problem 3 would start with X=largest angle. I was able to figure out X=smallest angle, but I am stumped on the other 2 as to how to set it up...
*Saturday, April 14, 2012 at 7:48pm by Angie*

**chemistry**

Decide if each of the following principles were first discovered during Thompson's cathode ray tube experiments, Rutherford's gold foil experiment, Millikan's oil drop experiment or none of these. Label each one with either Thompson, Rutherford, Milikan, or none of these ...
*Thursday, April 14, 2011 at 6:02pm by chris*

**Math 8R - HW Qs. Check**

Approximate the square root to the nearest hundredth square root of 155 12. 449 (that's the square root of 155) 12.450 (i round it to the nearest hundredth) am i correct????
*Monday, December 3, 2012 at 7:14pm by Laruen *

**Algebra**

2(0.5-3y) + y > (4y-0.2)8 I understand how to solve the problem, but my final answer was y < -17/155, which I have a strange feeling isn't right. Maybe I tripped up somewhere. Here's my work: After distributing: 1-6+y>32y-1.6 +6 to each side 1 +y > 32y + 4.4 -1 to ...
*Thursday, January 22, 2009 at 3:54pm by Faith*

**PHYSICS**

The drawing shows a large cube (mass = 34 kg) being accelerated across a horizontal frictionless surface by a horizontal force P. A small cube (mass = 3.3 kg) is in contact with the front surface of the large cube and will slide downward unless P is sufficiently large. The ...
*Monday, June 4, 2007 at 7:07am by MJ*

**statistics**

A random sample of 16 mid-sized cars tested for fuel consumption gave a mean of 26.4 kilometers per liter with a standard deviation of 2.3 kilometers per liter. i) Assuming that the kilometers per liter given by all mid-sized cars have a normal distribution, find a 99% ...
*Thursday, May 10, 2012 at 6:07am by Koia*

**physics**

a small block of mass M=0.050 kg is released from rest at the top (h=0.60 m) of the curved frictionless ramp shown above. The block slides down the ramp and collides with a larger block of mass 1.5M=0.075 kg at rest at the bottom of the incline. The larger block moves to the ...
*Sunday, November 13, 2011 at 8:52pm by emilyy*

**physics **

small mass hangs at rest from a vertical rope of length that is fixed to the ceiling. A force then pushes on the mass, perpendicular to the taut rope at all times, until the rope is oriented at an angle and the mass has been raised by a vertical distance . Assume the force's ...
*Tuesday, May 22, 2012 at 1:07am by sophie*

**Physics(IMPORTANT)**

An object of mass m=80 kg moves in one dimension subject to the potential energy U(x)=(Î»/4)(x^2-a^2)^2+(b/2)x^2 Here we use Î»=3kg/(m^2s^2), a=7m, and b=77kg/s^2. (b) Find a stable equilibrium point x0 such that x0 is positive. (in meters) x0= (c) Do a Taylor expansion of the...
*Friday, November 1, 2013 at 4:27pm by keitanako*

**Physics**

1. The problem statement, all variables and given/known data A student pulls on a box up an incline of 10 degrees. The student pulls with a force of 180 N directed at 30 degrees above the line of the incline. The box has a mass of 28 kg, and the coefficient of friction between...
*Sunday, October 7, 2007 at 8:40pm by Tim*

**Physics**

The drawing shows a large cube (mass = 27 kg) being accelerated across a horizontal frictionless surface by a horizontal force vector P . A small cube (mass = 4.0 kg) is in contact with the front surface of the large cube and will slide downward unless vector P is ...
*Monday, September 20, 2010 at 7:50pm by Sarah*

**Jr. High Pressure Challenge Question**

A small flask has a mass of 22.71 g. When it is filled with water the total mass is 153.38 g. When it is filled with milk the total mass is 157.67 g. What is the density of milk?
*Sunday, December 26, 2010 at 9:07pm by Anonymous*

**Physics**

Two small spheres of mass 451 g and 695 g are suspended from the ceiling at the same point by massless strings of equal length 10.9 m . The lighter sphere is pulled aside through an angle of 65 degrees from the vertical and let go. At what speed will the lighter mass m1 hit ...
*Monday, January 16, 2012 at 1:00pm by amanda and leah*

**Chemistry**

Small chain alcohols have a warning label indicating that they are flammable, but what is mean by "small"? How many cabon atoms in a carbon chain is considered to be small? Would 1-decanol be considered as small chain alcohol? Thank you!
*Tuesday, May 19, 2009 at 8:39pm by Anonymous*

**physics help 4**

An astronaut on a small planet wishes to measure the local value of g by timing pulses traveling down a wire which has a large mass suspended from it. Assume that the wire has a mass of 4.10 g and a length of 1.60 m and that a 3.00 kg mass is suspended from it. A pulse ...
*Sunday, November 9, 2008 at 11:54pm by kelsey*

**history**

Improved technology in the production of small cars often results in lower production costs. Which of the following will most likely result from these reduced production costs? 1)the price of domestic small cars will decrease. 2)the demand for domestic small cars will decrease...
*Friday, June 4, 2010 at 6:21pm by kayci*

**science**

how does one determine the mass and volume of a small but heavy rock? what tools could i use? what would be the units of measure for volume and mass
*Sunday, March 2, 2008 at 4:12pm by polly*

**science**

an oxide of arsenic = 0.927g 76% arsenic and 24% oxygen calculate the mass of oxygen that combines with one mole of arsenic atoms to form the oxide of arsenic. How many moles of oxygen atoms does this mass represent? Posted by Kirsty on Tuesday, February 6, 2007 at 3:50pm. an ...
*Tuesday, February 6, 2007 at 3:50pm by Kirsty*

**Chemistry**

In the case of a small amount of your unknown failed to dissolve in the t-butanol, would it effect the molar mass? = Does molarity increase as molar mass increases?
*Saturday, February 2, 2013 at 12:40am by AhmadM*

**physics**

Three very small spheres are located along a straight line in space far away from everything else. The first one (with a mass of 2.59 kg) is at a point between the other two, 10.50 cm to the right of the second one (with a mass of 5.03 kg), and 20.40 cm to the left of the ...
*Saturday, December 15, 2007 at 5:08pm by rory*

**Physics**

The drawing shows a large cube (mass=42 kg) being accelerated across a horizontal table by a horizontal force P. The coefficient of kinetic friction between the table and large cube is 0.24. A small cube (mass= 5.0 kg) is in contact with the front surface of the large cube and...
*Tuesday, February 1, 2011 at 11:52pm by Anonymous*

**Physics**

The drawing shows a large cube (mass=42 kg) being accelerated across a horizontal table by a horizontal force P. The coefficient of kinetic friction between the table and large cube is 0.24. A small cube (mass= 5.0 kg) is in contact with the front surface of the large cube and...
*Thursday, February 3, 2011 at 1:00am by Anonymous*

**Physics**

I need immediate help on these questions:. 2.a small plastic ball with a mass of 0.005kg is suspended from a thread and hangs in equilibrium as shown in the drawing below when a small rod with a 2 uC charge is brought to within 3mm of the ball a)find the tension force in the ...
*Sunday, March 30, 2014 at 11:55pm by Julie*

Pages: **1** | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>